<ion-header>
  <ion-toolbar>
    <ion-buttons>
      <ion-back-button></ion-back-button>
    </ion-buttons>
    <ion-title>
      Accordion test
    </ion-title>
  </ion-toolbar>
</ion-header>
<ion-content>
  <ion-button id="open-modal" (click)="open()">Open Modal</ion-button>
</ion-content>
